Base | Representation |
---|---|
bin | 11110010010100… |
… | …01110101111100 |
3 | 122201010010210201 |
4 | 33021101311330 |
5 | 1010021344440 |
6 | 41114013244 |
7 | 6203506660 |
oct | 1711216574 |
9 | 581103721 |
10 | 254090620 |
11 | 120478053 |
12 | 71117224 |
13 | 408455a4 |
14 | 25a628a0 |
15 | 1749119a |
hex | f251d7c |
254090620 has 48 divisors (see below), whose sum is σ = 619835328. Its totient is φ = 85685760.
The previous prime is 254090609. The next prime is 254090647. The reversal of 254090620 is 26090452.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6337 + ... + 23416.
It is an arithmetic number, because the mean of its divisors is an integer number (12913236).
Almost surely, 2254090620 is an apocalyptic number.
254090620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
254090620 is an abundant number, since it is smaller than the sum of its proper divisors (365744708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254090620 is a wasteful number, since it uses less digits than its factorization.
254090620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29830 (or 29828 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 254090620 is about 15940.2201992319. The cubic root of 254090620 is about 633.3778589810.
The spelling of 254090620 in words is "two hundred fifty-four million, ninety thousand, six hundred twenty".
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